diff options
| author | David Woodhouse <dwmw2@infradead.org> | 2007-10-13 14:58:23 +0100 |
|---|---|---|
| committer | David Woodhouse <dwmw2@infradead.org> | 2007-10-13 14:58:23 +0100 |
| commit | ebf8889bd1fe3615991ff4494635d237280652a2 (patch) | |
| tree | 10fb735717122bbb86474339eac07f26e7ccdf40 /include/asm-x86/nmi_32.h | |
| parent | b160292cc216a50fd0cd386b0bda2cd48352c73b (diff) | |
| parent | 752097cec53eea111d087c545179b421e2bde98a (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'include/asm-x86/nmi_32.h')
| -rw-r--r-- | include/asm-x86/nmi_32.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/include/asm-x86/nmi_32.h b/include/asm-x86/nmi_32.h new file mode 100644 index 00000000000..70a958a8e38 --- /dev/null +++ b/include/asm-x86/nmi_32.h @@ -0,0 +1,64 @@ +/* + * linux/include/asm-i386/nmi.h + */ +#ifndef ASM_NMI_H +#define ASM_NMI_H + +#include <linux/pm.h> +#include <asm/irq.h> + +#ifdef ARCH_HAS_NMI_WATCHDOG + +/** + * do_nmi_callback + * + * Check to see if a callback exists and execute it. Return 1 + * if the handler exists and was handled successfully. + */ +int do_nmi_callback(struct pt_regs *regs, int cpu); + +extern int nmi_watchdog_enabled; +extern int avail_to_resrv_perfctr_nmi_bit(unsigned int); +extern int avail_to_resrv_perfctr_nmi(unsigned int); +extern int reserve_perfctr_nmi(unsigned int); +extern void release_perfctr_nmi(unsigned int); +extern int reserve_evntsel_nmi(unsigned int); +extern void release_evntsel_nmi(unsigned int); + +extern void setup_apic_nmi_watchdog (void *); +extern void stop_apic_nmi_watchdog (void *); +extern void disable_timer_nmi_watchdog(void); +extern void enable_timer_nmi_watchdog(void); +extern int nmi_watchdog_tick (struct pt_regs * regs, unsigned reason); + +extern atomic_t nmi_active; +extern unsigned int nmi_watchdog; +#define NMI_DISABLED -1 +#define NMI_NONE 0 +#define NMI_IO_APIC 1 +#define NMI_LOCAL_APIC 2 +#define NMI_INVALID 3 +#define NMI_DEFAULT NMI_DISABLED + +struct ctl_table; +struct file; +extern int proc_nmi_enabled(struct ctl_table *, int , struct file *, + void __user *, size_t *, loff_t *); +extern int unknown_nmi_panic; + +void __trigger_all_cpu_backtrace(void); +#define trigger_all_cpu_backtrace() __trigger_all_cpu_backtrace() + +#endif + +void lapic_watchdog_stop(void); +int lapic_watchdog_init(unsigned nmi_hz); +int lapic_wd_event(unsigned nmi_hz); +unsigned lapic_adjust_nmi_hz(unsigned hz); +int lapic_watchdog_ok(void); +void disable_lapic_nmi_watchdog(void); +void enable_lapic_nmi_watchdog(void); +void stop_nmi(void); +void restart_nmi(void); + +#endif /* ASM_NMI_H */ |